Finding the Fourth Proportional to 14,436.26, 19,921.48 and 9,061.60

Step by Step Solution

1. Step 1: Write the proportion equation
   14,436.26 : 19,921.48 = 9,061.60 : x
2. Step 2: Convert to fraction form
   14,436.26/19,921.48 = 9,061.60/x
3. Step 3: Cross multiply
   14,436.26x = 19,921.48 × 9,061.60
4. Step 4: Simplify right side
   14,436.26x = 180,520,499.03
5. Step 5: Solve for x
   x = 180,520,499.03/14,436.26
6. Step 6: Final answer
   x = 12,504.65